4 ' CONTENTS. 
Descriptions of the species — Continued. Page. 
Mollusca— Conti nued . 
Pelecypoda — Continued. 
Pinnidae , 49 
Arcidae _ . . 50 
Nuculidae ^ . . 55 
Trigoniidae 56 
Astartidae 64 
Crassatellidae 69 
Lucinidae . . 72 
Cyprinidae _ _ 77 
Veneridae . 79 
Pholadomyidae 79 
Anatinidae , . _ . 85 
Myidae 87 
Pholadidae 87 
Gastropoda 88 
Pleurotomariidae 88 
Trochidae 88 
Neritidae 90 
Turritellidae 1 92 
Vermetidae 92 
Naticidae .. 9:} 
Pyramidellidae 95 
Nerineidse 96 
Cerithiidae 99 
Actaeonidae . - - 99 
Cephalopoda 1 00 
Nautiloidea 100 
Ammonoidea _ . 101 
Vertebrata 109 
Index - 169 
